// © 2018 and later: Unicode, Inc. and others.

// License & terms of use: http://www.unicode.org/copyright.html

//

// From the double-conversion library. Original license:

//

// Copyright 2010 the V8 project authors. All rights reserved.

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

//

//     * Redistributions of source code must retain the above copyright

//       notice, this list of conditions and the following disclaimer.

//     * Redistributions in binary form must reproduce the above

//       copyright notice, this list of conditions and the following

//       disclaimer in the documentation and/or other materials provided

//       with the distribution.

//     * Neither the name of Google Inc. nor the names of its

//       contributors may be used to endorse or promote products derived

//       from this software without specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// ICU PATCH: ifdef around UCONFIG_NO_FORMATTING

#include "unicode/utypes.h"

#if !UCONFIG_NO_FORMATTING

#ifndef DOUBLE_CONVERSION_STRTOD_H_

#define DOUBLE_CONVERSION_STRTOD_H_

// ICU PATCH: Customize header file paths for ICU.

#include "double-conversion-utils.h"

// ICU PATCH: Wrap in ICU namespace

U_NAMESPACE_BEGIN

namespace double_conversion {

// The buffer must only contain digits in the range [0-9]. It must not

// contain a dot or a sign. It must not start with '0', and must not be empty.

double Strtod(Vector<const char> buffer, int exponent);

// The buffer must only contain digits in the range [0-9]. It must not

// contain a dot or a sign. It must not start with '0', and must not be empty.

float Strtof(Vector<const char> buffer, int exponent);

// Same as Strtod, but assumes that 'trimmed' is already trimmed, as if run

// through TrimAndCut. That is, 'trimmed' must have no leading or trailing

// zeros, must not be a lone zero, and must not have 'too many' digits.

double StrtodTrimmed(Vector<const char> trimmed, int exponent);

// Same as Strtof, but assumes that 'trimmed' is already trimmed, as if run

// through TrimAndCut. That is, 'trimmed' must have no leading or trailing

// zeros, must not be a lone zero, and must not have 'too many' digits.

float StrtofTrimmed(Vector<const char> trimmed, int exponent);

inline Vector<const char> TrimTrailingZeros(Vector<const char> buffer) {

  for (int i = buffer.length() - 1; i >= 0; --i) {

    if (buffer[i] != '0') {

      return buffer.SubVector(0, i + 1);

    }

  }

  return Vector<const char>(buffer.start(), 0);

}

}  // namespace double_conversion

// ICU PATCH: Close ICU namespace

U_NAMESPACE_END

#endif  // DOUBLE_CONVERSION_STRTOD_H_

#endif // ICU PATCH: close #if !UCONFIG_NO_FORMATTING